I bought some prime guard filters? Are they ok to use or should I stick with just the motor craft filters? They are oil and fuel filters. The moter craft filters are only bucks for the oil filter but the fuel filters are crazy, like 80 dollars! I bought a kit with 2 oil filters and my fuel filter( the small and big one). Another question, the other day I was driving, got home, and shut my truck off. As I got out I could hear the coolent still kinda moving through my hoses and going through the system I guess. It wasn't bubbling in the degas bottle or steaming. Is this a major issue or not?

I agree, you do get what you pay for. On a diesel, filtration is extremely important. Fine particulate in the oil will get past most cheap filters and then start to wear out your injectors. So if you save a few bucks on an oil filter every few months, you'll eventually end up paying thousands for replaced injectors sooner than necessary.

We sell, and I run the Fleetguard brand filters in my truck. They are very reputable and high quality. The OEM's are also good, as well as Wix. One easy way to tell if a filter is even worth considering on using (on any vehicle) is to squeeze the filter canister. If the metal is weak (thin) and it flexes, then that means that they are trying to cut costs by using less expensive material. An automatic alarm should go off in your head, "if they're willing to cut costs on the outside, I wonder what's on the inside". Now this is not the only way to determine if a filter is good, I'm sure there are some really bad filters out there that have a strong outer housing, but it's a quick cursory check. Most poor quality filters will have the thin wall outer housing.Fleetguard at DieselManor

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